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【单选题】
已经发生锈蚀,并且部分氧化皮已经剥落的钢材表面是哪种等级的腐蚀____( )______
A.
轻锈
B.
中锈
C.
重锈
D.
超重锈
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参考答案:
举一反三
【单选题】听力原文:How much time will it take to finish the building? (A) The architect thinks about three more months. (B) The building is thirty stories high. (C) We'll be here about six o'clock. (26)
A.
B.
【判断题】通电矩形线圈平面与磁力线垂直时,线圈的任何一边都不受力。( )
A.
正确
B.
错误
【简答题】党在社会主义初级阶段的基本路线的内涵是什么? prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】A dozen ideas were considered _____ the architect decided on the design of the building. [     ]
A.
before
B.
because
C.
whether
D.
unless
【简答题】党在社会主义初级阶段的基本路线的内涵是什么?
【判断题】通电矩形线圈平面与磁力线垂直时,所受的电磁转矩最大。( )
A.
正确
B.
错误
【单选题】(Before design) the building, the architect (studied) the (plans) of other buildings (built near) the site.
A.
Before design
B.
studied
C.
plans
D.
built near
【单选题】听力原文:How much time will it take to finish the building? (A) The architect thinks about three more months. (B) The building is thirty stories high. (C) We'll be here about six o'clock. (27)
A.
B.
【单选题】在磁场中,通电矩形线圈的平面与磁力线垂直时,线圈受到的转矩()。
A.
最大
B.
最小
C.
为零
D.
前三种情况都有可能
【简答题】在磁场中,通电矩形线圈的平面与磁力线平行时,线圈受到的转矩为最(),线圈的平面磁力线垂直时,线圈受到的转矩为最()。
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